1954

firewall: rigid leather-look mat with jute padding on firewall side.
floor: side-to-side rubber floor mat on top of jute/other sound deadener.
http://www.1954advance-design.com/Documents/SalesBooklet/Page%2032.jpg
http://www.1954advance-design.com/Documents/SalesBooklet/Page%2033.jpg

There were accessory color-coordinated floor mats (2 - either black or matching optional 2-tone interiors)